JavaScript implements code sharing to prevent web pages from being embedded in Frame_javascript skills

Recently, another rogue behavior has become popular in China: using frames to embed your web pages into other web pages.
For example, there is a website that claims to be a "word-of-mouth aggregation portal" that provides the best content from various online forums across the country. However, in fact, it uses a frame to crawl other people's web pages, and then adds its own advertisements and website logos on it. How is this different from a pirated bookseller? !

Prevention method, in

Copy code The code is as follows:

Add this code before

:

Copy code The code is as follows:

This code is valid. However, there is a problem: after using it, no one can embed your web page into the frame, including yourself.

Is there a way so that my webpage can only be embedded in my own frame, not someone else's frame?

Copy code The code is as follows:

Okay, the upgraded version of the code is completed. Except for local domain names, other domain names cannot embed your web page in the frame. My blog now uses this code.